1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index f4218cc110..35f7c158a6 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,6 +1,10 @@
 *   Raise ActiveRecord::RecordNotFound from collection `*_ids` setters
     for unknown IDs with a better error message.
 
+    Changes the collection `*_ids` setters to cast provided IDs the data
+    type of the primary key set in the association, not the model
+    primary key.
+
     *Dominic Cleal*
 
 *   For PostgreSQL >= 9.4 use `pgcrypto`'s `gen_random_uuid()` instead of